Albinar 500mm f/8 Super Telephoto Mirror Lens for Panasonic Micro 4/3 DMC Cameras GF2 GF1 G2 GX1 GF3 G3 GH2 G10 GH1 G1 500mm f/8 Studio Series Telephoto Manual Mirror Lens Use with manual or automatic SLR & DSLR cameras Multi Coated low-dispersion glass, anti-reflection coating A Multi-coated low-dispersion glass capable of producing sharp, high definition images T-Mount Lens (T2-thread) with Micro 4/3 adapter